Comment 11 for bug 1836046

Copying sean comments from prodchain escalations cards

this can be worked around by either enabling config drive or
setting the correct image_ssh_password in the tempest.conf

https://github.com/openstack/tempest/blob/master/tempest/config.py#L802-L807

the current tempest config only sets the user to cirros

https://logs.rdoproject.org/openstack-periodic-24hr/opendev.org/openstack/tripleo-ci/master/periodic-tripleo-ci-centos-7-ovb-3ctlr_1comp-featureset001-queens/28ff548/logs/undercloud/home/zuul/tempest/etc/tempest.conf.txt.gz

we should also be setting image_ssh_password="gocubsgo"
so that it can fall back to the password if the ssh key is not retrieved.